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Finding the Fourth Proportional to 70,523.44, 105,785.52 and 23,776.72

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Solution

The fourth proportional to 70,523.44, 105,785.52 and 23,776.72 is: 35,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,523.44 : 105,785.52 = 23,776.72 : x
  2. Step 2: Convert to fraction form
    70,523.44/105,785.52 = 23,776.72/x
  3. Step 3: Cross multiply
    70,523.44x = 105,785.52 × 23,776.72
  4. Step 4: Simplify right side
    70,523.44x = 2,515,232,689.09
  5. Step 5: Solve for x
    x = 2,515,232,689.09/70,523.44
  6. Step 6: Final answer
    x = 35,665.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.